Industry MCX Device Integration Company News EN EN KR MENU Industry Pubilc Safety Metro & Railways Utilities MCX MCX AS WAS Dispatch Console Recording Call Bridge GIS MC Gateway UE Device LM75 CM65 Integration IWF eMBMS PaBX QoS Cx Interface CDR OSS LDAP Company About us Reference History Awards & Patents News Press Releases Social Media Video Patent No. 10-0397121 Method for obtaining excessive information in an internet telephony system based on VoIP Patent Back to Awards Page About us Reference History Awards & Patents Go To Top Inquiry